Samsung Galaxy A71 vs Samsung Galaxy A31 Specs Comparison

Availability

Officially announced
Dec 12, 2019	Mar 24, 2020
Prices (MSRP)
	€300

Design

Dimensions
6.44 x 2.99 x 0.30 inches 163.6 x 76 x 7.7 mm	6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm
Weight
6.31 oz (179.0 g)	6.53 oz (185.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue	Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
6.7-inch, 87.24% screen-to-body	6.4-inch, 84.88% screen-to-body
Type
Super AMOLED Plus, 60Hz	Super AMOLED, 60Hz
Resolution
2400x1080px, 20:9 ratio, 393 PPI	2400x1080px, 20:9 ratio, 411 PPI
Protection
Corning Gorilla Glass 3

Hardware

System chip
Snapdragon 730 SM7150-AA (8 nm)	MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core 2200 MHz Kryo 470	Octa-core 2x2.0GHz Cortex-A75 6x2.0G​Hz Cortex-A55
GPU
Adreno 618	Mali-G52 MC2
Memory
6GB (LPDDR4)/128GB 8GB/128GB	4GB (LPDDR4)/64GB (eMMC 5.1) 6GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (12, 11, 10)	Android (10)

Battery

Type
4500 mAh, Li - Polymer	5000 mAh, Li - Polymer
Charging
Fast charging	Fast charging
Charge speed
	Wired: 15.0W

PhoneArena Battery Tests

Battery Life Estimate

6h 59min

Browsing

11h 32min

Video

11h 38min

Gaming

12h 46min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad camera
Main camera
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 25 mm	5 MP (Macro) Aperture size: F2.4
Fourth camera
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (240 fps), 720p (960 fps) EIS	1080p (30 fps)
Front
32 MP (HDR) Video capture: 1080p	20 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66	1, 2, 3, 4, 5, 7, 8, 20
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL
Measured SAR
	Head: 0.53 W/kg Body: 0.56 W/kg Simultaneous Transmission: 1.42 W/kg Wireless Router: 0.65 W/kg Phablet: 0.89 W/kg

Alternative variants

with 8 GB RAM

Memory	8GB

with 128GB storage

Memory	6GB/128GB

Links

Full specifications
Samsung Galaxy A71 Specs	Samsung Galaxy A31 Specs
PhoneArena Review
Samsung Galaxy A71 Review
User Reviews
Samsung Galaxy A71 User Reviews